The short version
Most rodent jobs in Denver cost a few hundred dollars up to about $1,500. That usually covers inspection, trapping and sealing. Attic cleanup is extra.
- Most rodent jobs in Denver cost a few hundred dollars to about $1,500.
- Inspections usually cost $75–$250.
- Sealing the gaps is what keeps rodents out.
- Attic cleanup is usually priced separately.
- Compare what each quote seals, not just the total.
Homeowners, renters and landlords in Denver who are hearing, seeing or smelling signs of rodents.
What to look for
For Denver homes, mice usually start moving indoors in October and November, as nights get colder. Seeing one in daylight usually means there are more. Rodents are mostly unseen. You hear them at night and find droppings by morning. A mouse fits through a gap the size of a dime.
- 1Scratching or scurrying sounds in walls or ceilings at night.
- 2Small dark droppings on top of the water heater.
- 3Tracks or tail drag marks in dust or flour.
- 4Live sighting, especially during the day.
- 5Dead-animal odor that appears and slowly fades.
- 6Chewed holes in the bottom of cabinets or drawers.
Why it’s worth acting soon
- Mice breed fast, every few weeks.
- Droppings and urine contaminate food and insulation.
- Gnawed wiring can be a fire risk.
- Nests and odor get harder to clean the longer they stay.
- Deer mice can carry hantavirus.
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Estimate rodent control cost in Denver
Adjust for your situation to see a ballpark range.
Estimated range
A rough guide only. Your quote depends on your house and what the inspection finds.
Treatment options and typical costs
Inspection and Entry-Point Mapping
$75–$250
Expect a flashlight, a mirror, and a lot of crouching. In Denver homes, the usual entry points are garage door corners, dryer vents, gaps around pipes, and roof-to-fascia joints.
- Time
- 60–90 minutes
- Best for
- Every job; nothing else works without it
Snap-Trap Program
$150–$400 per visit
Traps are preferred indoors over poison because there is no carcass rotting in a Denver wall cavity. They remove catches and adjust trap positions between visits.
- Time
- 30–60 minutes per visit, 2–4 visits
- Best for
- Active indoor infestations; fast results you can see
Attic and Crawlspace Cleanup and Sanitation
$500–$3,000, higher if insulation is replaced
After the rodents are gone, what they left behind still matters. Cleanup in Denver attics means removing droppings, nesting material, and urine-soaked insulation, then disinfecting the surfaces underneath.
- Time
- Half day to two days
- Best for
- Heavy contamination; odor, urine-soaked insulation, nesting
Tamper-Resistant Exterior Bait Stations
$100–$300 setup, $40–$80 per service visit
Bait stations belong outside, not in the attic. A Denver pro places them along fence lines, near sheds, and beside foundations where rats travel, then services them monthly or quarterly.
- Time
- 30–45 minutes per visit, ongoing
- Best for
- Outdoor rat pressure; ongoing perimeter protection
Prices are typical published ranges. Ask what’s included before you compare quotes.
Bathroom vanities hide the same plumbing gaps as the kitchen. A quick look with a flashlight shows droppings or rub marks long before you see a mouse.What rodent control costs in Denver.
- Snap-Trap Program: $150–$400 per visit - Attic and Crawlspace Cleanup and Sanitation: $500–$3,000, higher if insulation is replaced - Tamper-Resistant Exterior Bait Stations: $100–$300 setup, $40–$80 per service visit - A typical home in Denver is worth around $590k. Sealing the gaps protects that, and it's the part that lasts. Basement homes need utility gaps and window wells sealed. - Inspection and Entry-Point Mapping: $75–$250
Which rodents live around Denver.
They burrow along foundations and enter low. Deer mice live around Denver too, mostly near open land and in sheds or cabins. They can carry hantavirus, so clean up their droppings carefully. House mice are the most common rodent in Denver homes. They're small, curious and breed quickly. Norway rats are the other usual suspect.
Fall is when rodents head indoors. Leaf piles against the foundation hide burrows and gaps, so clear them and walk the wall before the first cold snap.When they move in.
Check for gaps before then. Spring is breeding season. Small problems grow fast.
How they get into houses here.
Look at the dryer vent flap. Window wells need covers or screens. Homes from Denver out to Commerce City and Lakewood share the same weak spots, so the checklist below works across the area. Plenty of homes in Denver have basements. Rodents use gaps around utility lines, dryer vents and window wells. Check where pipes and cables enter.
A year of rodents in Denver.
- Spring: breeding season. Act on any sign quickly. - Summer: with highs around 88°F in Denver, rodents look for water. Fix drips and leaks. - Fall: rodents look for shelter. Seal gaps before cold nights arrive. - Winter: with lows near 19°F in Denver, check the attic, garage and pantry for droppings.
Mice or rats?
- Sounds: mice sound light and quick. Rats sound heavier. - Behavior: mice are curious about new traps. Rats avoid them for days. - Rub marks: rats leave greasy smudges along walls and beams. - Droppings: mouse droppings are rice-sized. Rat droppings are two or three times bigger. - Holes: mice chew dime-sized holes. Rats chew holes closer to quarter-sized.
Sealing small gaps yourself.
- Hardware cloth: use quarter-inch mesh over vents and larger holes. - Door sweeps: close the gap under garage and exterior doors. - Expanding foam: fine on top of mesh, useless on its own. - Check your work: daylight through a gap means it isn’t sealed. - Steel wool or copper mesh: pack it into small gaps first. - Sealant or mortar: cover the mesh so it stays put.
Cleaning up droppings safely.
- Spray droppings with a bleach solution, then wait five minutes. - Wipe up with paper towels and bag them. - Don’t sweep or vacuum droppings dry. It stirs up dust. - Wash your gloved hands, then your hands. - Air the room out for 30 minutes first. - Wear rubber or plastic gloves.
What happens at an inspection.
Most inspections take about an hour. The inspector walks the outside first. They check the foundation, vents, rooflines and utility gaps. Inside, they check the kitchen, garage and attic. You should come away with a list of entry points. Photos help.
Rodents in the car.
Mice and rats nest in engine bays and chew wiring. Park in a closed garage when you can. Check the air filter box for nesting. Clear birdseed and pet food from the garage.
Bird feeders and rodents.
Spilled seed feeds mice and rats. Use a seed tray and sweep up spills. If rodents show up, bring feeders in at night. Store seed in a metal can with a tight lid.
Questions to ask before you sign.
- How many trap visits are included? - What happens if they come back? - Is cleanup included, or extra? - Will you use poison inside? (Ask them not to.) - Where are they getting in? - Which gaps will you seal, and with what?
Ways to keep the cost down.
- Trim branches back from the roof. - Act early, before rodents spread to the attic. - Compare what each quote seals, not just the price. - Clear clutter so gaps are easy to reach. - Store food and pet food in sealed bins.
Rodents by the numbers.
For Denver homes, those three findings — species, entry points, and scale — are what a quote should be built on, not a regional average. For Denver homes, ask any provider to show you the entry points and the plan before you compare numbers. National surveys set rough expectations but cannot diagnose one house. For Denver homes, what actually matters is a walk-through: where the droppings are, how the rodents are getting in, and how large the colony is.
What affects the price
- Exterior bait stations and ongoing service frequency.
- Outdoor pressure from creeks, alleys, or restaurants nearby.
- Follow-up visits included versus billed separately.
- Sewer line inspection if rats are entering underground.
- Emergency or short-notice scheduling.
- Home size, stories, and roofline complexity.
- Age of the home and condition of the foundation.
- Number of trapping visits needed to reach zero.
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What's your biggest concern about rodent control costs?
When to call for help
Call if you hear them in the attic or walls. Droppings in several rooms are another sign. So is a dead-rodent smell. Call right away if you see rats. They take a longer, more careful approach. Attic cleanup is hard to do safely without training.
What you can do yourself
That's where a pro's sealing work pays off. Rooflines, vents and attics are harder. Seal small gaps with steel wool and sealant. Store food in sealed bins. Bait them with peanut butter. Start tonight with snap traps along the walls.
Rodents in Denver
In denser parts of Denver, rats travel along alleys, fences and utility lines, so neighbors often share the problem. A typical home in Denver is worth around $590k, and chewed wiring or soiled insulation can get expensive. Denver only gets about 14 inches of rain a year, so local rodents look for water: drip lines, pet bowls and leaky hose bibs. Winter lows average around 19°F in Denver, and that cold is what sends mice looking for a way in.
Local research
Rodents in Denver, CO: what the public record shows
Before you compare quotes, it helps to know which rodents actually live in Colorado, when they are busiest around Denver, and what the state figures look like. Everything below links to the agency or university page it came from.
Rodent species recorded in Colorado
- House mouse (Mus musculus) — Enters at 1/4 inch; 5-10 litters per year; eats about 200 small meals a night.
- Norway rat (Rattus norvegicus) — Burrowing rat of basements, sewers and ground floors; tail shorter than head plus body.
- Deer mouse (Peromyscus maniculatus) — Primary U.S. hantavirus carrier; lives throughout Washington and the interior West.
When rodents are busiest around Denver
Spring cleanup exposure; summer. Deer mice and hantavirus in NM/AZ/CO/NV; plague fleas on wild rodents.
Based on Denver’s semi-arid climate profile.
For context, nationally
- 1/4 inch (the width of a pencil) — Smallest gap a mouse can enter. CDC
- 890; 35% fatal; 94% west of the Mississippi — Hantavirus cases reported since 1993 (through 2023). CDC
Sources: CDC National Notifiable Diseases Surveillance System; CDC; Pest Notes: House Mouse; Pest Notes: Rats; Hantavirus. Figures are quoted as the source prints them. How we check our sources
Simple ways to keep rodents away
- Screen foundation and attic vents with quarter-inch hardware cloth.
- Fill gaps around pipes, cables, and AC lines with copper mesh.
- Store pet food and birdseed in sealed metal containers.
- Declutter garages and attics to remove nesting cover.
- Cap chimneys and repair damaged roof vents.
- Install brush or rubber door sweeps on exterior doors.
In a multi-unit building, mice move between apartments through shared walls and pipe chases, so treating one unit rarely solves it. Ask for a building-wide plan.Did you know?
A house mouse can jump about a foot straight up.
For Denver homes, a rodent's front teeth never stop growing, so it gnaws constantly to keep them worn down.
Questions people ask
What do exterior bait stations cost?
Usually a setup fee plus a monthly or quarterly service charge. Ask how many stations they'll use and how often they're checked.
What does a rodent inspection cost?
Some companies credit it toward the job if you go ahead. It's worth asking. Usually $75–$250.
Why is rodent-proofing so expensive?
Every gap needs metal mesh or sheet metal, then a seal. A typical house has dozens of small openings. It's careful, slow work.
How much does attic cleanup cost?
Full insulation replacement costs much more. Get it itemized. It depends on the size and how much insulation is affected. Light cleanup can be a few hundred dollars.
Are rats a bigger problem than mice?
Rats are bigger, chew more, and avoid new traps for days. They also tend to need more sealing work outside. Usually.
How do I choose a rodent control company?
Ask what happens if rodents come back. A good company talks about sealing, not just traps. Make sure they're licensed in Colorado. Ask how they seal gaps and what materials they use.
How long does rodent control take?
Most jobs take two to four weeks. That covers inspection, sealing and a few trap checks.
Do wealthier homes get fewer mice and rats?
Fifty-two percent of U.S. homeowners with household incomes of $100,000 or more reported a rodent encounter at some point in their lives in a September 2022 Harris Poll for the National Pest Management Association (NPMA). Not according to homeowner surveys.
Is one mouse in the house a sign of an infestation?
One mouse is the most common story: 37% of U.S. homeowners in the 2022 NPMA/Harris Poll reported a single rodent at some point, though a lone sighting doesn't rule out others behind the walls. Before any work starts in Denver, ask how many visits the price covers and what happens if rodents return. Not necessarily. It deserves a look.
Are rodents a problem in Denver?
They're common here, as almost everywhere. House mice cause most problems.
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Sources (11)
The facts in this article come from the public sources listed above. Every home is different, so ask the company you talk to about pricing and what’s included. Published by Rodent Exterminator · Updated September 11, 2026 · How we write these guides